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1987 Buick Electra Park Avenue 3.8L StartingVIN: 1G4CW5138HThis is a tough one. I have seen one similar case here that
was closed w/o fix. I guess I don't die easy. I have an 87
Electra Park Avenue 3.8 turns over strong but won't start.
We did extensive testing on grounds,fuel pressure,coils
resistence, and wiring app...

1988 Buick Electra Park Avenue 3.8L No Start, StallVIN: 1G4CW51C1JHas spark, injector pulse, fuel pressure. TP, Cam and Crank
sensor signels look ok. Will start run for 30-40 seconds
and then die. Unplugged MAF and will start and run as long
as unplugged. Replaced MAF, same problem, will run without
MAF connector installed. ...

1995 Cadillac DeVille 4.9L No Start, StallVIN: 1G6KD52B4StHIS CAR HAS HAD THIS PROBLEM AS AN INTERMITTANT PROBLEM
FOR QUITE SOMETIMES, eVERYTIME WE START DIAGNOSTICS ON IT
IT ALWAYS RUNS SO CAN NOT FIND WHERE THE PROBLEM LIES.
WE HAVE GONE THROUGH THE FLOW CHART ON THIS CODE A NUMBER
OF TIMES WITH NO FLAW, BUT SINC... Trouble codes: 53 (loss of ditributor signal)

1995 Cadillac DeVille 4.9L sssVIN: 1G6KD52B7Shi guys i have a service ride control message on all times.
perfrom code i039 chart and it led me to replace the ride
control module. replaced module still have the same
problem. guys i did everything i could. and even look for
the lateral switch and could not...

1997 Cadillac Seville SLS 4.6L Poor Fuel EconomyVIN: 1G6KS52YXVHELP!!! Everything seems to be right about this car other
than a significant drop in fuel milage. Car runs great,
idles great, has plenty of power, has no codes, it just
isn't getting the fuel mileage that it once was. Fuel
economy has dropped from around 28 m...

1997 Chevrolet Camaro 3.8L MisfireVIN: 2G1FP32K1VThis car has a miss on cyl#4 under load, always. I have
swapped plug, wire & Injector with cyl#2. The miss stays
with #4. I have gone around the intake with acetylene and
there is no change. It is usually around 1800 RPM, right
when the convertor can't take an... Trouble codes: P0300 (Random Cylinder Misfire)

2000 Chevrolet S10 4.3L Heater coreVIN: 1GCDT14W3YHello GM Techs, We have a 00 s-10 pick up that needs a
heater core, & mitchells says it comes out the front in
engine compartment, Is there any one who has changed one
yet & could give us a few tips. Thanks Brian

2002 Chevrolet Suburban 1500 LT 5.3L transfer caseVIN: 1GNFK16Z42the transfer case will not shift into 2 whl dr, if you
press the button for 2 whl dr you can hear the change motor
cycle back and forth then the transfer case defaults to 4
hi. you have to shut the engine off & start over by pushing
the auto 4whd button. the r...

2005 Chevrolet Silverado 1500 LS 5.3L transmission?VIN: 2GCEK13T55this truck is a new silverado with a 5.3 and a 410
differential with heavy duty trailering package. it has a
8400 pound trailer hauling capacity. I recently hauled our
trailer a long distance,its total weight is about 7500
pounds.Every time we stopped for 15 t...

2003 Hummer H2 6.0L compHelp a/c techs,customers h2 came to shop with no a/c
working.Hooked up gauges and system was empty,pressured up
and found compressor leaking.Called customer told
compressor was out they said fix it and this is where all
heck broke loose.Thought this would be a...

1989 Pontiac Grand Am LE 2.3L engine oilVIN: 1G2NE14D1LI'm sure someone has had this problem before. So waiting
holding my breath, and I thank you for you help in advance.
Dave [...]. Guadalajara Mexico

1994 Chevrolet Cavalier RS 2.2L code 27thanks to all who replied. louie told me to start ohming
the things in the loop. seth said it was the egr or
canister purge, so thats where i started since i already
replaced the tcc for the stalling.the egr moved freely, had
vacuum to it and held vacuum with ...

1995 Chevrolet K1500 Suburban 5.7L absVIN: 1GKFK15K4SWe found a bad brake switch, it wasn't closing all the way.
I don't know what caused the erratic wheel speed sensor
readings other than possibly a software glitch with the
scan tool. Several suggested scoping each wheel speed
sensor with a lab scope, and a cou...

1996 Chevrolet Blazer 4.3L abs light onVIN: 1GNDT13WUTThanks to all responding, All diagnostic work leads to abs
module replacement.The used salvage part was bad.Used car
dealer that we were working for did not want to go the
$1100. for new part.Sold as is.No repair.

1997 Chevrolet Astro 4.3L steering boxVIN: 1GNDM19WOVAfter taking everyone's advise into account, I retested the
vehicle and checked with D & S Steering. We changed the
gear box and that fixed the problem. Thanks again to all
who responded. All input was appreciated.

1997 GMC Jimmy SL 4.3L UnknownVIN: 1GKDT13W5VThanks for all the replies on this noise,we tried
everything suggested but still had noise.Still would have
bet on a broke flywheel but it wasnt.We ended up pulling
the motor out and when we dropped the oil pan there it was
#6 rod bearing had spun and had enou...

1999 GMC GMC 454CID No StartVIN: 1GBJ7H1BXXThe small transfer pump in the right tank was failed. The
system appears to functioning properly now. I was able to
lift the float arm , and the pump came on. Many thanks to
the guys who sent me the wiring diagrams of how this system
works. I am thankful we ar...

2000 Oldsmobile Intrigue GL 3.5L MIL Lamp onThanks to Jerry,Chad,Robt, Boyd, [...],ira and Anthony.
All said to check air valves. Front one did not hold vac.
Gave customer price on valves and will repair when they get
the money.Thanks for all the help. Trouble codes: P410B (air system).

1999 Pontiac Grand Am SE 3.4L all gauges VIN: 1G2NE52E6Xthanks to those who replied, while i had ordered an
ignition switch before i posted, next morning i found a
terminal in the wiring to the switch which was not
completely seeded, after pushing it in all the way problem
did not return, has only been back with cu...